package com.lmr.boot.mapper;

import com.lmr.boot.bean.City;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
@Mapper
public interface CityMapper {
    @Select("select *  from city where id=#{id}")
    public City getById(Long id);


    public void insert(City city);
}
